File Create — Iso
Use the dd command (Data Dump) – the most direct method.
Open Disk Utility . Select the optical drive from the side menu (not the volume name below it, the actual physical disk). Click "File" > "New Image" > "Image from [Disc Name]." Choose "DVD/CD master" (which creates a .cdr file) – simply rename the extension to .iso . It works perfectly. iso file create
sudo dd if=/dev/cdrom of=disc_image.iso bs=2048 Warning: dd is powerful. Make sure if= (input file) is your disc drive, not your hard drive. Not all ISOs are equal. A standard data ISO won't start your computer. To create a bootable OS installer, you need to preserve the "El Torito" boot catalog. Use the dd command (Data Dump) – the most direct method
Linux users have genisoimage (or mkisofs ). Click "File" > "New Image" > "Image from [Disc Name]
Do you prefer using command-line tools or GUI software for creating your ISOs? Let me know in the comments below!